Winter Property Inspection

Flying Drones in the Winter.

We often fly our drones during the winter months, which as you can imagine can be an extremely challenging. Our pilots are often tested to the best of their abilities, we have tried and tested guidelines set out to ensure all flights are safe. These are our guidelines that will help you with your flight planning during these cold winter months.

Battery care and maintenance

One of the biggest issues you’ll face when flying your drone in the winter is battery management. Cold temperatures reduce the amount of chemical activity within Lithium Polymer (LiPo) batteries. This causes the battery to become unstable and may result in your drone falling out of the sky with little or no warning.

It is imperative therefore that you monitor battery health and check your batteries are functioning normally before take off. Checking your battery has an adequate charge is something you should be doing as part of your preflight checks anyway.

As a general rule, you should ensure batteries are at room temperature before use. While it can be beneficial to store batteries at colder temperatures. You should never attempt to charge a battery at or below 0ºC. Doing so could cause an explosion, so always wait until batteries have reached room temperature before charging.

One of the best ways to reduce battery malfunctions during winter is to use a drone such as the Mavic 2 Enterprise which has self-heating batteries. The Inspire 2 and Matrice 200 series also uses the TB50 & TB55 batteries, which are self-heating. This eliminates the need for using separate battery heaters or waiting for the batteries to reach room temperature before use.

Check your equipment is up to the task

Not all drones are suitable for winter flying. While this does not prevent you from flying in colder weather it does increase the risk of an accident. Ideally, your drone should be capable of handling cold temperatures and high moisture levels. It should also have multiple redundant systems to ensure safe winter flying in all conditions.

A drone such as DJI’s Matrice 210, is perfect for winter flying due to its high ingress protection (IP) rating. At the very least, this will allow you to land the drone safely should you be interrupted by a sudden rain shower. The multiple redundant systems of the M210 also ensure continued operation in the event of a single point of failure.

If your work involves a lot of hours out in the field during the winter months, you should think seriously about whether your equipment is up to the task. Such work includes; agricultural field mappingsurveying and mapping, construction progress and infrastructure inspection.

Your drone should be fitted with high visibility LED lighting or a beacon. This allows you to easily keep sight of your drone in bad weather or when the light begins to fail.

Monitor weather reports

When flying a drone in the winter months it is good practice to monitor weather reports before you take-off. In the UK, the weather can change quickly, particularly on higher ground. So don’t get caught out and make sure no fog, high-winds, heavy-rain or snow-showers are forecast.

You can check the weather using a free app such as UAV Forecast which provides accurate weather forecasts up to 24 hours ahead. The app also provides information on visible GPS satellites and even solar flares helping to keep your drone flying safely at all times of the year.

Don’t forget the light fades quickly during the winter months. Always check sunset times and plan your day so that jobs are complete before it gets dark.

  • Keep your drone flying safely by only flying if the following conditions are met:
  • Do not fly if snow, hail, heavy winds, rain or fog are forecast
  • Do not fly in temperatures below 0ºC
  • Monitor the temperature. Stop flying if the temperature falls below 0ºC
  • Ensure you have a strong GPS signal and avoid flying in ATTI mode during the winter months. Sudden gusts of wind can cause problems for even the most experienced pilots.

Ours Pilots

It is also important that you don’t forget about yourself. Many inexperienced drone pilots are not used to working outside. Cold weather can impair hand dexterity while reducing tactile sensitivity and tracking performance. This dramatically increases the risk of an incident, as well as hyperthermia.

Ensure you are equipped to spend long days out in the field. At a minimum, you should have a warm coat, hat and gloves. If you carry out agricultural or construction work you should also have a good pair of safety boots.

Ensure you wear the following pieces of safety equipment for safe winter drone flying:

Always wear gloves. Flying a drone with cold hands may be dangerous and can result in a loss of control.

Wrap up warm. Being exposed to the cold can make you tired. Even a mild drop in temperature can make you feel sleepy.

Safe flying in winter is really just common sense. By following these simple guidelines you should be able to operate your drone safely in all conditions. The key points to remember are, wrap up warm, keep an eye on the weather, monitor battery performance and check your equipment. That way you’ll be able to keep flying safely no matter what the weather throws at you.

What can they achieve?

  • Ridge tiles
  • Flat roofs
  • Dormer roofs
  • Valleys and gulley’s
  • The roof covering
  • Flashing condition
  • Guttering and drainage systems
  • Roof windows and skylights
  • Chimney stacks
  • Insulation integrity

What will it cost

A roof inspection costs UK varies depending on a number of factors. These include the size of your property, its location, the type of inspection you need and how it will be carried out. We perform drone roof inspections across the UK, and these are often a more cost effective solution.

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We look forward to seeing you soon.

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